blower door testing

Accurate-Airtight Enclosures is a building enclosure consulting company, originally established in 1998 as a residential and light commercial construction company and formerly branded as Accurate-Airtight Exteriors. As a third-party consulting and testing agency, it supports building owners, managers, engineers, architects, and general contractors to ensure buildings are both air and water tight, testing and evaluating air and water barriers throughout the United States.

Air barrier repairair barrier testingBuilding enclosure commissioningcommercial insulationenergy auditsFog testinginfrared thermographyQuality assurance and commissioning supportWater penetration testing

Advanced Furnace and Air Duct Cleaning was founded by August Spano in 1965 and is a family owned and operated business serving New Jersey and Eastern Pennsylvania. It provides residential, commercial, and industrial indoor air quality services, specializing in cleaning all air conveyance systems (they do not install). The company is based in Bayville, NJ, staffed with 20 technicians including 6 NADCA-certified technicians, and maintains 12 power vacuum trucks.

Aeroseal duct sealingair duct cleaningchimney cleaningdryer vent cleaningduct encapsulation/coatingduct leakage testingdust collection system cleaningHVAC system restorationkitchen exhaust cleaningpressure washing

Advance HVAC Services is a licensed and insured HVAC company based in Branford, CT, serving Shoreline Connecticut from Milford to Old Saybrook. It provides residential and commercial heating, cooling, commercial refrigeration, and home performance solutions, including service, repair, maintenance, installation, inspection and estimates. The company offers 24/7 emergency service and is owned by Mehmet Sahin.

24/7 emergency serviceduct leak testingestimatesHVAC serviceinspectioninstallationMaintenancerepairresidential and commercial work

Airpath Group provides HVAC-focused engineering, performance testing, and design services for commercial and institutional buildings. Its NEBB-certified services include Commissioning, Retro-Commissioning, Testing, Adjusting and Balancing (TAB), and Sound and Vibration Testing. The firm also offers energy management, HVAC mechanical systems consulting, specialty field testing programs, and HVAC compliance solutions for Federal, State, Municipal, and Agency clients.

building pressurization testingcommissioningduct leakage testingenergy benchmarkingHVAC engineering & designmechanical vibration and acoustical analysisretro-commissioningsound and vibration testingtesting, adjusting, and balancing (TAB)

Albert Heating & Cooling, Inc. is based in Sault Ste. Marie, MI, and has served the surrounding Eastern Upper Peninsula area since 2006, installing, repairing and maintaining heating and air conditioning systems for residential and commercial customers. The company also offers plumbing services, indoor air quality products, duct cleaning and sealing, and 24/7 emergency service.

backflow testingcommercial HVACduct cleaningduct sealingHVAC installationHVAC maintenanceHVAC repairin-house fabricationplumbing

American Property Consultants, Inc. (APC) is a nationwide inspection and consulting company that performs Pre-REAC inspections, UPCS inspections, and training for housing authorities and property managers, as well as energy audits, capital needs assessments, physical needs assessments, utility allowances, and property inspections for home and business owners.

duct blaster testingenergy auditsinspector trainingPre-REAC inspectionsproperty inspectionsspecial inspectionsthermographyUPCS inspections

AOK Engineering, PLLC is a multi-disciplinary engineering firm based in Gouverneur, Upstate New York, serving the Adirondacks, Northern NY, Central NY, and surrounding areas. It is a certified HUBZone business founded in 1992 by Karl, providing civil and structural engineering for residential, municipal, commercial, industrial, and environmental projects from concept to key.

building designcivil engineeringengineering consultingEnvironmental permittingseptic system designSite Planningstructural designtopographic surveysvibration monitoring

AZ Renewable Energy Measures is a BPI-certified energy efficiency contractor serving Arizona homeowners and business owners. The company performs Home Performance with ENERGY STAR® audits, including blower door testing, infrared camera inspection, and combustion safety testing, and recommends and installs home energy efficiency solutions such as insulation, air sealing, duct sealing and replacement, radiant barriers, solar screens, and solar hot water and PV systems.

air sealingcombustion safety testingduct sealing and replacementhome energy auditsinfrared camera inspectioninsulation installationsolar hot water installationsolar PV installationweatherization

Better Building Works is an unbiased, science-based building performance consultancy providing investment-grade building science to optimize air quality and energy efficiency. They offer energy audits, diagnostics and forensics, third-party verification, blower door and duct blaster testing, design services, and Platinum-level project management for residential and commercial clients.

building diagnosticscode compliancedesignduct blaster testingenergy auditsEnergy ModelingforensicsParametric Modelingproject managementthird party verificationventilation assessments

Big Sky Duct Cleaning & Residential Services provides residential and commercial air duct cleaning, dryer vent cleaning, floor and carpet cleaning, and flood remediation in Williston, Watford City, Sidney, Glendive, and surrounding areas of eastern Montana and western North Dakota. The company also offers HVAC system maintenance, blower door testing, thermal imaging surveys, and home weatherization audits, with over 20 years of experience.

carpet cleaningdryer vent cleaningduct blasting and sealingduct cleaningflood remediationfloor cleaningHVAC system maintenancethermal imagingweatherization audits

Building enclosure consulting, airtightness testing, Passive House consulting, and moisture management for owners, architects and builders across the Southeast and Caribbean.

Air leakage testingcompartmentalization testingDesign reviewenclosure diagnosticsEnergy Modelingenvelope detailingfield verificationhygrothermal analysisQA/QCthermal bridge analysisTHERM modelingWUFI modeling

Catalyst Partners is a sustainability and building performance consulting firm that helps developers, building owners, architects, engineers, and construction managers achieve their building performance goals. The employee-owned, women-owned firm has over 24 years of experience and offers sustainability consulting, building certification, building performance consulting, and building performance verification.

Acoustics TestingBuilding CertificationBuilding Performance ConsultingBuilding Performance VerificationCode Compliance Modelingcommissioningdaylight modelingEnergy ModelingENERGY STAR BenchmarkingFeasibility studiesHERS Rater Modelingindoor air quality testinginfrared thermographyIntegrative Design FacilitationLight Quality Testingretro-commissioningSolar Analysissustainability consultingwater quality testing

Cheseldine Management Consulting, LLC is a certified Minority Business Enterprise (MBE) management consulting firm based in Leonardtown, Maryland, established in 2008. The firm provides project management, property and asset management, HOA management, home inspections, HUD 203(k) consulting, HQS inspections, grants administration, technical assistance, and advertising and marketing services across Southern Maryland.

advertising and marketingenergy auditsFeasibility studiesgrant administrationHOA administrationhome inspectionsHQS inspectionsHUD 203(k) consultinginfrared camera testingproperty management

Curtain Wall Design & Consulting, Inc. (CDC) is an independent, 100% employee-owned firm founded in 1973 that provides design, engineering, and consulting services for building envelope systems. Headquartered in Dallas, Texas, CDC serves architects, developers, contractors, and manufacturers worldwide from offices across the U.S. and internationally, and operates subsidiary Intertech Design, Inc.

air/water penetration testingBIMconsultingcurtain wall designdraftingengineeringfaçade inspectionField testingspecification writingstructural engineeringthermal imaging

Debalski Heating & Cooling is a local HVAC contractor in Athens, Georgia, serving residential, commercial, and industrial customers. The company provides heating and cooling repair, installation, replacement, and maintenance, including AC repair, furnace repair, heat pump services, mini split installation, PTAC installation and repair, electric wall heater installation, fan and blower motor replacement, ductwork cleaning and repair, blower door testing, and geothermal air to water heat pumps.

ductwork cleaning and repairgeothermal HVACHVAC installationHVAC maintenanceHVAC repair

Efficient Home, LLC is a general contractor founded in 2006 that delivers energy efficiency services throughout the Mid-Atlantic area, including energy audits, energy modeling, commercial energy efficiency improvements, and multifamily property work. Headquartered in Burtonsville, Maryland, it serves residential, commercial, and industrial property owners and works with utilities such as Pepco, BGE, SMECO, Delmarva, and Potomac Edison.

air sealingappliance upgradesbuilding automation and controlscombustion testingenergy auditingenergy efficiency modelinggeneral contractingHVAC installationinfrared analysisinsulationlighting upgradeswater heater installationweatherizationwindow and door installation

Elkhorn Commissioning Group is an independent third party commissioning firm with over 45 years of combined experience in commissioning, temperature controls, plumbing, and mechanical engineering. With offices in Bozeman, Missoula, and Great Falls, Montana, they provide a hands-on commissioning approach to ensure building systems operate optimally and functional issues are found and resolved quickly.

Building Envelope commissioningcommissioningconsultingfunctional performance testingIR imagingLEED commissioningproject managementRetrocommissioningTest and balance verification

Energy360 Solutions is a Chicago, IL home performance company that analyzes the house as a system to identify sources of discomfort, indoor air quality issues, and energy waste. They provide home energy audits, blower door testing, infrared diagnostics, and professional insulation and air sealing services for existing homes, new homes, and commercial buildings, and also serve homebuilders, property managers, and architects.

air sealingduct testingenergy auditsHERS ratinginfrared diagnosticsinsulation installation

Energy Balance & Integration (EB&I) is an Albuquerque, New Mexico-based company providing testing and balancing services for HVAC systems since 1976, serving New Mexico, Colorado, Eastern Arizona, Western Texas, and Washington D.C. The company performs air and hydronic measurements on commercial HVAC systems, adjusts and balances flows to design values, and produces testing reports. It is NEBB and TABB certified.

air and hydronic measurementsduct leakage testingfire/life safety testingindoor air quality assessmentpressure gradient testingroom pressure monitor calibrationTest, Adjust, Balance (TAB)troubleshootingventilation verification

The Energy Conservatory (TEC) manufactures MINNEAPOLIS brand precision diagnostic equipment and develops processes used to solve comfort, energy use, durability and air quality problems in buildings. Founded in 1980 by Gary Anderson and Gary Nelson, TEC pioneered the Minneapolis Blower Door and Duct Blaster testing systems and is a leading manufacturer of performance testing tools for the building science industry. TEC moved to its current Oakdale, MN location in 2024.

air flow measurementduct leakage testingmanufacturing precision diagnostic equipmentpressure measurementtraining

Energy Management and Control Corporation (EMC2) was founded in 1977 and is a consulting firm providing services related to energy management, system commissioning, system testing and balancing, and developing and aiding in system maintenance repair programs. It assists project owners, designers and operators in reducing energy consumption, analyzing system designs, trouble-shooting existing systems, and commissioning HVAC, electrical and plumbing systems. EMC2 has been certified by the National Environmental Balancing Bureau (NEBB) since 1980.

air flow adjustmentbuilding envelope testingcommissioningcomputer modeling for cost analysiscontrol system programmingenergy analysisHVAC testing and balancingre-commissioningsmoke testingsound and vibration testingthermal/infrared thermographywater flow adjustment

Friend Contractors, LLC has provided quality construction building and consulting services on Kodiak Island for more than 35 years. It is a licensed, bonded, and insured commercial construction and custom home builder licensed in Alaska and Arizona, and a US SBA 8(a) Certified Firm described as one of very few Native American owned and operated commercial construction companies. The company is also a certified RESNET Home Energy Rater.

commercial constructionconstruction consultingcustom home buildingduct testingEnergy Modelinghome energy rating

Future Energy Dynamics LLC is a Nebraska-based company founded in 2019 by Larry Emanuel and Jesse Weidner that provides residential energy-testing and verification services for builders and homeowners throughout Nebraska and the surrounding region. Services include HERS ratings, ENERGY STAR certification, IECC blower door and duct leakage testing, REScheck compliance documentation, and existing-home energy assessments.

certification documentationduct leakage testingenergy assessmentsEnergy Modelinginfrared imaginginsulation inspectionsPlan Reviewthird party verification